First Roddick tried it. Changing his game to try to beat Roger. Now Roger tries to change his clay game to beat Nadal. Both results - disastrous. Well, Roddick's was disastrous anyway. Seems the effect is you start to worry so much about that one opponent and forget that the rest of the field is there. Now losses start to mount against other players where you don't even get to play your "targeted" opponent as much. In Roger's case, I wish Roger would stick to his same all-court attacking game on clay. I've noticed him using that "reverse" forehand (finishes above his ear) a lot on clay, rather than his usual slingshot finish across the body. The reverse forehand seems more effective for running forehands or on a cross-court passing shot for angle. Maybe he's using it because his preparation is late, everything is late, shoddy footwork, etc.